mdguidelines.net - robtex.com
mdguidelines.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | ns1-us.alight.com ⭐ | ||||||
| A | 204.152.232.53🇺🇸 Amazon204.152.232.0/24 EC2 Prefix | ||||||
| PTR | ns1-us.alight.com | ||||||
| NS | ns1-eu.alight.com | ||||||
| A | 204.152.234.53🇺🇸 Amazon204.152.234.0/24 EC2 Prefix | ||||||
| PTR | ns1-eu.alight.com | ||||||
| NS | ns2-eu.alight.net | ||||||
| A | 204.152.234.153🇺🇸 Amazon204.152.234.0/24 EC2 Prefix | ||||||
| PTR | ns2-eu.alight.net | ||||||
| NS | ns2-us.alight.net | ||||||
| A | 204.152.233.53🇺🇸 Amazon204.152.233.0/24 EC2 Prefix | ||||||
| PTR | ns2-us.alight.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-us.alight.comdomain_master@alight.com 2021-01-21 #41 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783658687 | ||||||
Same first word
mdguidelines.info |
mdguidelines.org |
mdguidelines.net |
mdguidelines.com |
DNS History
12 records (5 active, 7 former)
●NSns1-eu.alight.com2026-06-22 → 2026-07-10 · 3 obs
● 2026-06-22 05:55:34
● 2026-07-10 04:58:00
●NSns1-us.alight.com2026-06-22 → 2026-07-10 · 3 obs
● 2026-06-22 05:55:34
● 2026-07-10 04:58:00
○NSns1.domaindiscover.com2015-05-23 → 2020-03-09 · 4 obs
● 2020-03-09 09:42:54
○ 2026-06-22 05:55:34
○ 2026-07-10 04:58:00
●NSns2-eu.alight.net2026-06-22 → 2026-07-10 · 3 obs
● 2026-06-22 05:55:34
● 2026-07-10 04:58:00
●NSns2-us.alight.net2026-06-22 → 2026-07-10 · 3 obs
● 2026-06-22 05:55:34
● 2026-07-10 04:58:00
○NSns2.domaindiscover.com2015-05-23 → 2017-02-08 · 4 obs
● 2017-02-08 04:53:30
○ 2020-03-09 09:42:54
○ 2026-07-10 04:58:00
○MXmx1.daemonmail.net2015-05-23 → 2017-02-08 · 4 obs
● 2017-02-08 04:53:30
○ 2020-03-09 09:42:54
○ 2026-07-10 04:58:00
○MXmx2.daemonmail.net2015-05-23 → 2017-02-08 · 4 obs
● 2017-02-08 04:53:30
○ 2020-03-09 09:42:54
○ 2026-07-10 04:58:00
●A204.74.99.1002026-06-22 → 2026-07-10 · 3 obs
● 2026-06-22 05:55:34
● 2026-07-10 04:58:00
○A216.104.165.242015-05-23 → 2017-02-08 · 4 obs
● 2017-02-08 04:53:30
○ 2020-03-09 09:42:54
○ 2026-07-10 04:58:00
○A216.104.165.842015-05-23 → 2017-02-08 · 4 obs
● 2017-02-08 04:53:30
○ 2020-03-09 09:42:54
○ 2026-07-10 04:58:00
○CNAMEwww.mdguidelines.com2020-03-09 → 2020-03-09 · 3 obs
○ 2026-06-22 05:55:34
○ 2026-07-10 04:58:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mdguidelines.net | ns1-us.alight.com, ns2-us.alight.net, ns1-eu.alight.com, ns2-eu.alight.net | 2 records |
✅ Authoritative Response
Server:204.152.233.53
NS records: ns1-us.alight.com, ns2-us.alight.net, ns1-eu.alight.com, ns2-eu.alight.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdguidelines.net (unsigned zone)
⏱️ Timing
Total: 420ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | ns2-us.alight.net, ns1-eu.alight.com... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1-us.alight.com domain_master.alight.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2-us.alight.net, ns2-eu.alight.net)
Analysis
IP Addresses
mdguidelines.net points to a single IP number: 204.74.99.100.
Additional host names — nutritioncalc3.mcgraw-hill.com, nuuly.(0x787878), expediaextranet.com and two others — share IP numbers with mdguidelines.net.
Name Servers
mdguidelines.net has four authoritative name servers: ns1-eu.alight.com, ns1-us.alight.com, ns2-eu.alight.net and ns2-us.alight.net.
The name servers of mdguidelines.net overlap at least partially with those of other domains — among them 198.2.8.in-addr.arpa, mydirectory.com, alightoss.com and two more.
ns1-eu.alight.com, ns1-us.alight.com, ns2-eu.alight.net and ns2-us.alight.net each resolve to one IP address: ns1-eu.alight.com resolves to 204.152.234.53, ns1-us.alight.com resolves to 204.152.232.53, ns2-eu.alight.net resolves to 204.152.234.153 and ns2-us.alight.net resolves to 204.152.233.53.